package io;

import java.io.*;

/**
 *
 */
public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis =new FileInputStream("image.png");
        BufferedInputStream bis =new BufferedInputStream(fis);
        FileOutputStream fos =new FileOutputStream("imagecp1.png");
        BufferedOutputStream bos =new BufferedOutputStream(fos);
        int  d;
        long l = System.currentTimeMillis();
        while ((d = bis.read())!=-1){
            bos.write(d);
        }
        long e= System.currentTimeMillis();
        System.out.println(e-l);
    }
}
